@misc{cryptoeprint:2002:150,
    author = {Guilin Wang, Jianying Zhou, and Robert H. Deng},
    title = {Cryptanalysis of the Lee-Hwang Group-Oriented Undeniable Signature Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2002/150},
    year = {2002},
    url = {http://eprint.iacr.org/2002/150},
}