@misc{cryptoeprint:2020:1060,
    author = {Fuyuki Kitagawa and Takahiro Matsuda},
    title = {Circular Security Is Complete for KDM Security},
    howpublished = {Cryptology ePrint Archive, Report 2020/1060},
    year = {2020},
    url = {https://eprint.iacr.org/2020/1060},
}