@misc{cryptoeprint:2009:458,
    author = {Wei Yun and Xiong Guo-hua and Zhang Xing-kai and Bao Wan-su},
    title = {Security Analysis and Design of Proxy Signature Schemes over Braid Groups},
    howpublished = {Cryptology ePrint Archive, Report 2009/458},
    year = {2009},
    url = {http://eprint.iacr.org/2009/458},
}