@misc{cryptoeprint:2007:009,
    author = {Zhenfu Cao, Xiaolei Dong and Licheng Wang},
    title = {New Public Key Cryptosystems Using Polynomials over Non-commutative Rings},
    howpublished = {Cryptology ePrint Archive, Report 2007/009},
    year = {2007},
    url = {http://eprint.iacr.org/2007/009},
}