{% for asset in object_list %}
    <a href="javascript:void(0);" onclick="insertInParentField({{ asset.pk }}, '{{ asset }}')">
        {{ asset.asset_id }} - {{ asset.description }}
    </a>
    <br>
    {% empty %}
    No assets match given ID
{% endfor %}

<script>
    function insertInParentField(pk, str) {
        $('#hidden_parent_id').val(pk);
        $('#parent_id').val(str);
        M.updateTextFields();
    }
</script>