@misc{cryptoeprint:2004:136,
    author = {Vipul Goyal and Virendra Kumar and Mayank Singh and Ajith Abraham and Sugata Sanyal},
    title = {CompChall: Addressing Password Guessing Attacks},
    howpublished = {Cryptology ePrint Archive, Report 2004/136},
    year = {2004},
    url = {http://eprint.iacr.org/2004/136},
}