Jan Camenisch, Anna Lysyanskaya. An Identity Escrow Scheme with Appointed Verifiers. In Joe Kilian, editor, Advances in Cryptology - CRYPTO 2001, 21st Annual International Cryptology Conference, Santa Barbara, California, USA, August 19-23, 2001, Proceedings. Volume 2139 of Lecture Notes in Computer Science, pages 388-407, Springer, 2001. [doi]
Abstract is missing.