Steve Lu, Rafail Ostrovsky, Amit Sahai, Hovav Shacham, Brent Waters. Sequential Aggregate Signatures and Multisignatures Without Random Oracles. In Serge Vaudenay, editor, Advances in Cryptology - EUROCRYPT 2006, 25th Annual International Conference on the Theory and Applications of Cryptographic Techniques, St. Petersburg, Russia, May 28 - June 1, 2006, Proceedings. Volume 4004 of Lecture Notes in Computer Science, pages 465-485, Springer, 2006. [doi]
Abstract is missing.