@article{1980-keys ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1980/\allowbreak keys}} ,author={R. G. Keys} ,ISSN={0096--3518} ,journal={IEEE Transactions on Acoustics, Speech, and Signal Processing} ,MR={82a:94012} ,pages={762--763} ,title={{An algorithm for computing the $N$th roots of unity in bit-reversed order}} ,volume={28} ,year={1980} }