Variance calculation through large deviations techniques

Bibtex entry :

@techreport { Fort02b,
    author = { de La Fortelle, Arnaud },
    title = { Variance calculation through large deviations techniques },
    institution = { INRIA },
    year = { 2002 },
    number = { 4441 },
    owner = { La Fortelle },
    pages = { 40 },
    timestamp = { 2008.08.05 },
    title2 = { Calcul de la variance par des techniques de grandes déviations },
    url = { http://hal.inria.fr/inria-00072147/fr/ },
}