Update README.md

Author: JamesRickards-Canada

README.md

@@ -1,5 +1,6 @@
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.19827399.svg)](https://doi.org/10.5281/zenodo.19827399)
 # Eisenstein
-Methods for computing various things related to integral Eisenstein circle packings. This includes:
+This code accompanies the paper *Eisenstein circle packings and the Eisenpint Schmidt arrangement* by James Rickards and Katherine E. Stange, and consists of methods for computing various things related to integral Eisenstein circle packings. This includes:
 * Methods to generate primitive integral Eisenstein circle packings and perform the basic operations (swaps, reduction, etc.);
 * Automatic creation of pictures of circle packings in LaTeX;
 * Finding all curvatures in a given range in a packing;
@@ -13,15 +14,16 @@ Methods relating to searching for curvatures have been optimized for speed and m
 
 ## Bibtex
 
-If you use this code in a project, please let me know! A suggested Bibtex entry would be:
+If you use this code in a project, please let me know! Here is a Bibtex entry that points to the latest version:
 ```
-@misc{EisensteinCirclePackingCode,
+@software{EisensteinCode,
 	AUTHOR = {Rickards, James},
-	TITLE = {Eisenstein},
-	YEAR = {2025},
-	PUBLISHER = {GitHub},
-	JOURNAL = {GitHub repository},
-	HOWPUBLISHED = {\url{https://github.com/JamesRickards-Canada/Eisenstein}},
+	DOI = {10.5281/zenodo.19827399},
+	LICENSE = {GPL-3.0},
+	TITLE = {{Eisenstein}},
+	URL = {https://github.com/JamesRickards-Canada/Eisenstein},
+	YEAR = {2026},
+	VERSION = {1.0.0},
 }
 ```