Update README.md
links to papers.
@@ -5,11 +5,11 @@ set intersection (PSI) protocols.
`popsicle` currently implements the following PSI protocols:
-* The Pinkas-Schneider-Zohner semi-honest two-party PSI protocol based on the
- oblivious PRF of Kolesnikov-Kumaresan-Rosulek-Trieu.
-* The Pinkas-Schneider-Tkachenko-Yanai semi-honest two-party PSI protocol based
- on the oblivious programmable PRF of Kolesnikov-Matania-Pinkas-Rosulek-Trieu.
-* The Kolesnikov-Matania-Pinkas-Rosulek-Trieu semi-honest multi-party PSI
+* The [Pinkas-Schneider-Zohner](https://eprint.iacr.org/2016/930) semi-honest two-party PSI protocol based on the
+ oblivious PRF of [Kolesnikov-Kumaresan-Rosulek-Trieu](https://eprint.iacr.org/2016/799).
+* The [Pinkas-Schneider-Tkachenko-Yanai](https://eprint.iacr.org/2019/241) semi-honest two-party PSI protocol based
+ on the oblivious programmable PRF of [Kolesnikov-Matania-Pinkas-Rosulek-Trieu](https://eprint.iacr.org/2017/799).
+* The [Kolesnikov-Matania-Pinkas-Rosulek-Trieu](https://eprint.iacr.org/2017/799) semi-honest multi-party PSI
protocol.
**`popsicle` should be considered unstable and under active development until
