@misc{cryptoeprint:2013:260,
    author = {Kai-Min Chung and Edward Lui and Rafael Pass},
    title = {From Weak to Strong Zero-Knowledge and Applications},
    howpublished = {Cryptology ePrint Archive, Report 2013/260},
    year = {2013},
    url = {http://eprint.iacr.org/2013/260},
}