A Windows executable of avrdude is included in WinAVR which can be found at http://sourceforge.net/projects/winavr. WinAVR is a suite of executable, open source software development tools for the AVR for the Windows platform.
To build avrdude from the source You must have Cygwin (http://www.cygwin.com/).
To build and install from the source tarball for Windows (using Cygwin):
$ set PREFIX=<your install directory path>
$ export PREFIX
$ gunzip -c avrdude-5.8cvs.tar.gz | tar xf -
$ cd avrdude-5.8cvs
$ ./configure LDFLAGS="-static" --prefix=$PREFIX --datadir=$PREFIX
--sysconfdir=$PREFIX/bin --enable-versioned-doc=no
$ make
$ make install