Huang Lin, Zhenfu Cao, Xiaohui Liang, Jun Shao. Secure Threshold Multi Authority Attribute Based Encryption without a Central Authority. In Dipanwita Roy Chowdhury, Vincent Rijmen, Abhijit Das, editors, Progress in Cryptology - INDOCRYPT 2008, 9th International Conference on Cryptology in India, Kharagpur, India, December 14-17, 2008. Proceedings. Volume 5365 of Lecture Notes in Computer Science, pages 426-436, Springer, 2008. [doi]
Abstract is missing.