@misc{cryptoeprint:2006:311,
    author = {Bennian Dou and Chungen Xu},
    title = {Analysis of Some Attacks on Awasthi and Lal’s Proxy Blind Signature Scheme},
    howpublished = {Cryptology ePrint Archive, Report 2006/311},
    year = {2006},
    url = {http://eprint.iacr.org/2006/311},
}