David Cash, Eike Kiltz, and Victor Shoup
"The Twin Diffie-Hellman Problem and Applications"
Advances in Cryptology - EUROCRYPT 2008. [pdf]
David Cash, Yan Zong Ding, Yevgeniy Dodis, Wenke Lee, Richard Lipton, and Shabsi Walfish
"Intrusion-Resilient Authenticated Key Exchange in the Bounded Retrieval Model without Random Oracles"
Theory of Cryptography Conference 2007.
[pdf]Teaching