@misc{cryptoeprint:2005:407,
    author = {Guomin Yang and Duncan S. Wong and Xiaotie Deng and Huaxiong Wang},
    title = {Anonymous Signature Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2005/407},
    year = {2005},
    url = {http://eprint.iacr.org/2005/407},
}