Place kiwifruit in container of an elecric blender; cover and process until smooth. Strain kiwifruit; discard seeds. Combine kiwifruit puree and remaining ingredients in a bowl; stir well. Cover and chill 8 hours. Pour mixture into a freezer can of a 1-qt hand-turned or 1/2-gallon electric freezer. Freeze according to manufacturer's instructions. Allow frozen yogurt to ripen 1 hour in freezer can.