From f80fab8f809ecfcb6ddbfb264b8ba57d956f33ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markku=20M=C3=A4kitalo?=
 <20476051+makitalo@users.noreply.github.com>
Date: Sat, 13 Oct 2018 11:59:40 +0300
Subject: [PATCH] Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index b013e88..27063ea 100644
--- a/README.md
+++ b/README.md
@@ -174,6 +174,7 @@ Other contributors include:
 The extended version is available [`here`](http://eprint.iacr.org/2016/413). 
 
 [2]  David Jao and Luca DeFeo, "Towards quantum-resistant cryptosystems from supersingular elliptic curve isogenies". PQCrypto 2011, LNCS 7071, pp. 19-34, 2011. 
+The extended version is available [`here`](https://eprint.iacr.org/2011/506).
 
 [3]  Craig Costello, David Jao, Patrick Longa, Michael Naehrig, Joost Renes, and David Urbanik, "Efficient compression of SIDH public keys". Advances in Cryptology - EUROCRYPT 2017, LNCS 10210, pp. 679-706, 2017. 
 The preprint version is available [`here`](http://eprint.iacr.org/2016/963).