@misc{cryptoeprint:2013:041,
    author = {Gook Hwa Cho and Namhun Koo and  Eunhye Ha and Soonhak Kwon},
    title = {Trace Expression of r-th Root over Finite Field},
    howpublished = {Cryptology ePrint Archive, Report 2013/041},
    year = {2013},
    url = {http://eprint.iacr.org/2013/041},
}