@misc{cryptoeprint:2015:1170,
    author = {Takanori Yasuda and Xavier Dahan and Kouichi Sakurai},
    title = {Characterizing NTRU-Variants Using Group Ring and Evaluating their Lattice Security},
    howpublished = {Cryptology ePrint Archive, Report 2015/1170},
    year = {2015},
    url = {https://eprint.iacr.org/2015/1170},
}