Giuseppe Ateniese, Breno de Medeiros. Efficient Group Signatures without Trapdoors. In Chi-Sung Laih, editor, Advances in Cryptology - ASIACRYPT 2003, 9th International Conference on the Theory and Application of Cryptology and Information Security, Taipei, Taiwan, November 30 - December 4, 2003, Proceedings. Volume 2894 of Lecture Notes in Computer Science, pages 246-268, Springer, 2003. [doi]
Abstract is missing.