Endre Bangerter, Jan Camenisch, Stephan Krenn. Efficiency Limitations for Σ-Protocols for Group Homomorphisms. In Daniele Micciancio, editor, Theory of Cryptography, 7th Theory of Cryptography Conference, TCC 2010, Zurich, Switzerland, February 9-11, 2010. Proceedings. Volume 5978 of Lecture Notes in Computer Science, pages 553-571, Springer, 2010. [doi]
Abstract is missing.