@misc{cryptoeprint:2012:605, author = {Jin Li, Xiaofeng Chen, Jingwei Li, Chunfu Jia, Duncan S. Wong, Willy Susilo}, title = {Secure Outsourced Attribute-Based Signatures}, howpublished = {Cryptology ePrint Archive, Report 2012/605}, year = {2012}, url = {http://eprint.iacr.org/2012/605}, }