@article{10_4153_CJM_2005_015_8,
     author = {Lange, Tanja and Shparlinski, Igor E.},
     title = {Certain {Exponential} {Sums} and {Random} {Walks} on {Elliptic} {Curves}},
     journal = {Canadian journal of mathematics},
     pages = {338--350},
     year = {2005},
     volume = {57},
     number = {2},
     doi = {10.4153/CJM-2005-015-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-015-8/}
}