@MastersThesis{Reshef2009,
	author	=	{Yakir Reshef},
	title	=	{{On Resilient and Exposure-Resilient Functions}},
	school	=	{Harvard College},
	address	=	{Cambridge, Massachusetts, USA},
	year	=	{2009}
}

(Note: it's not really a master's thesis, but I don't know a better BibTeX entry type for it.)