@misc{cryptoeprint:2014:300,
    author = {Robert Granger and Thorsten Kleinjung and Jens Zumbr\"agel},
    title = {On the Powers of 2},
    howpublished = {Cryptology ePrint Archive, Report 2014/300},
    year = {2014},
    url = {https://eprint.iacr.org/2014/300},
}