@misc{cryptoeprint:2019:1209,
    author = {Hiroshi Onuki and Tsuyoshi Takagi},
    title = {On collisions related to an ideal class of order 3 in CSIDH},
    howpublished = {Cryptology ePrint Archive, Report 2019/1209},
    year = {2019},
    url = {https://eprint.iacr.org/2019/1209},
}