Java, 62
(x,y)->{int r=0,i=0;for(;i<32;)r^=x*((y>>i)%2)<<i++;return r;}
Expanded
class XORMultiplication {
public static void main(String[] args) {
IntBinaryOperator f = (x, y) -> {
int r = 0, i = 0;
for (; i < 32;) {
r ^= x * ((y >> i) % 2) << i++;
}
return r;
};
System.out.println(f.applyAsInt(14, 13));
}
}