To cite package RandVar in publications use:

Kohl, M., and Ruckdeschel, P. (2011). RandVar: Implementation of random variables. R package version 0.8.1. URL http://robast.r-forge.r-project.org/

Corresponding BibTeX entry:

  @Manual{,
    title = {RandVar: Implementation of random variables},
    author = {M. Kohl and P. Ruckdeschel},
    language = {English},
    year = {2011},
    note = {R package version 0.8.1},
    type = {R package},
    url = {http://robast.r-forge.r-project.org/},
  }