[SerializeField]
GameObject Prefab;

// Use this for initialization
void Start () {

}

// Update is called once per frame
void Update () {
    SpawnPrefab();
}

void SpawnPrefab()
{
    if (Input.GetMouseButtonDown(0))
    {
        GameObject gameObject = Instantiate(Prefab, transform.position, Quaternion.identity) as GameObject;
    }

}