@misc{cryptoeprint:2013:251,
    author = {Yuyin Yu and Mingsheng Wang},
    title = {Permutation Polynomials and Their Differential Properties over Residue Class Rings},
    howpublished = {Cryptology ePrint Archive, Report 2013/251},
    year = {2013},
    url = {http://eprint.iacr.org/2013/251},
}