Accessing atext field inside a movieclip & simple question

how do I do this, if I have this…

for (var i:Number = 0; i<10; i++)
{
    var tmp = new TextField(); //how do I name it,tmp wont reference all 10 textfields..
    tmp.text = "Hello";
    tmp.width = 100;
    tmp.height = 30;
    obj*.mc = new MovieClip();
    obj*.mc.addChild(tmp);
}

how do I access the text field inside it?