How dimensional do you want it? This simple pattern could be downsized:
http://www.bevscountrycottage.com/bear.html
This one could also be printed out and then copied so it is smaller:
http://www.eldrbarry.net/im/meg/simpbear.pdf
This is a more complicated pattern:
http://www.sewing.org/html/sew_beary_teddy.html
Got all of the above (and there are more) from this website:
http://sewing.lovetoknow.com/sewing/...ewing-patterns