@misc{cryptoeprint:2019:667,
    author = {Arka Rai Choudhuri and Pavel Hubacek and Chethan Kamath and Krzysztof Pietrzak and Alon Rosen and Guy N. Rothblum},
    title = {PPAD-Hardness via Iterated Squaring Modulo a Composite},
    howpublished = {Cryptology ePrint Archive, Report 2019/667},
    year = {2019},
    url = {https://eprint.iacr.org/2019/667},
}