@misc{cryptoeprint:2020:1523,
    author = {Yaobin Shen; Lei Wang; Jian Weng},
    title = {Revisiting the Security of DbHtS MACs: Beyond-Birthday-Bound in the Multi-User Setting},
    howpublished = {Cryptology ePrint Archive, Report 2020/1523},
    year = {2020},
    url = {https://eprint.iacr.org/2020/1523},
}