@misc{cryptoeprint:2006:337,
    author = {D.R. Stinson and J. Wu},
    title = {An Efficient and Secure Two-flow Zero-Knowledge Identification Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2006/337},
    year = {2006},
    url = {http://eprint.iacr.org/2006/337},
}