%0 Journal Article %A Lange, Tanja %A Shparlinski, Igor E. %T Certain Exponential Sums and Random Walks on Elliptic Curves %J Canadian journal of mathematics %D 2005 %P 338-350 %V 57 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-015-8/ %R 10.4153/CJM-2005-015-8 %F 10_4153_CJM_2005_015_8