more specific link name

Author: glitch003

docs/learning-lit/threshold-cryptography.mdx

@@ -133,4 +133,4 @@ Lit Protocol supports a wide range of elliptic curves and signing schemes, all s
 - Dfinity (ICP) - `CurveType::BLS`, `SigningScheme::Bls12381`
 
 ## Key Derivation
-Key derivation is done additively and uses all 10 root keys per curve to derive child keys, based on [this paper](https://eprint.iacr.org/2021/1330.pdf).
+Key derivation is done additively and uses all 10 root keys per curve to derive child keys, based on [Groth and Shoup 2022](https://eprint.iacr.org/2021/1330.pdf).