@misc{cryptoeprint:2018:468,
    author = {Yaobin Shen and Lei Wang and Dawu Gu},
    title = {ISO/IEC 9797-1 Revisited: Beyond Birthday Bound},
    howpublished = {Cryptology ePrint Archive, Report 2018/468},
    year = {2018},
    url = {https://eprint.iacr.org/2018/468},
}