@article{1992-gao
,note={URL: {\tt http://www.math.clemson.edu/~sgao/pub.html}}
,author={Shuhong Gao and Hendrik W. Lenstra, Jr.}
,ISSN={0925--1022}
,journal={Designs, Codes and Cryptography}
,MR={93j:12003}
,pages={315--323}
,title={{Optimal normal bases}}
,volume={2}
,year={1992}
}