@misc{cryptoeprint:2005:168,
    author = {Lan Nguyen and Rei Safavi-Naini},
    title = {Dynamic k-Times Anonymous Authentication},
    howpublished = {Cryptology ePrint Archive, Report 2005/168},
    year = {2005},
    url = {http://eprint.iacr.org/2005/168},
}