The LOFAR radio telescope, under construction in the Netherlands, will be a powerful instrument
to measure extensive air showers through their radio signal. In order to fully understand the
properties of these signals, we are building a library of CORSIKA simulations of showers at
10^16--10^20.5 eV on the LOFAR BlueGene supercomputer. This library contains histogrammed
data on the particle energy and spatial and angular distributions throughout the course of the air
showers. The REAS2 code is used to calculate geosynchrotron radio emission from these
simulations. We present parametrisations of various characteristics of the particle distributions and
radio signal from showers in this library.

Proceedings of the 30th International Cosmic Ray Conference; Rogelio Caballero, Juan Carlos D'Olivo, Gustavo Medina-Tanco, Lukas Nellen, Federico A. Sánchez, José F. Valdés-Galicia (eds.); Universidad Nacional Autónoma de México, Mexico City, Mexico, 2008; Vol. 4 (HE part 1), pages 577-580