Berk Sunar Erkay Savas Çetin Kaya Koç Constructing Composite Field Representations for Efficient Conversion. 1391-1398 2003 52 IEEE Trans. Computers 11 http://doi.ieeecomputersociety.org/10.1109/TC.2003.1244937 db/journals/tc/tc52.html#SunarSK03