Update Readme link

Signed-off-by: Kirk Baird <[email protected]>

Author: kirk-baird

README.md

@@ -1,5 +1,5 @@
 # Rust library for various signatures like Aggregate signatures, Multi signatures.
-Uses the [The Apache Milagro Cryptographic Library](https://github.com/milagro-crypto/amcl)
+Uses the [The Apache Milagro Cryptographic Library](https://github.com/apache/incubator-milagro-crypto-rust)
 
 ## Supported schemes
 1. BLS signatures from [Compact Multi-Signatures for Smaller Blockchains](https://eprint.iacr.org/2018/483.pdf) by Dan Boneh, Manu Drijvers and Gregory Neven.