@inproceedings{Bibtex/GW2008ap,
title={Multiplicative Character Sums for Nonlinear  Recurring Sequences with Rédei Functions},
series={Lectures Notes in Computer Science},
booktitle={Proc. SETA'08},
author={Domingo Gomezand  Arne Winterhof},
number={5203},
year={2008},
pages={175--181},
}