@misc{cryptoeprint:2014:631,
    author = {Ding Wang, Gaopeng Jian, Xinyi Huang, Ping Wang},
    title = {Zipf’s Law in Passwords},
    howpublished = {Cryptology ePrint Archive, Report 2014/631},
    year = {2014},
    url = {https://eprint.iacr.org/2014/631},
}