@misc{cryptoeprint:2020:748,
    author = {Tatsuo Mitani and Akira Otsuka},
    title = {Anonymous probabilistic payment in payment hub},
    howpublished = {Cryptology ePrint Archive, Report 2020/748},
    year = {2020},
    url = {https://eprint.iacr.org/2020/748},
}